Miter-tool.



A, HELMS. MITER TOOL.

APPLICATION FILED MAY 21. I9I7.

15295,'748. Petented Feb.25,1919.

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mwen Tom. PPLlCATION FILED MAY 21| 1917. 1,295,748. Patented Feb. 25, 1919.

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ARTHUR-J. HELMs, or PORTLAND, OREGON.

MIATER-TOOL,

Application mea Mey 21, 191?.

T0 aZYZ whom t may concern:

Be it lmown that I, ARTHUR J. HEIMS, a citizen of the United States, resid1ng m'the Specification of Letters Batent. l

city of Portland, county of Multnomaln'and State of Oregon, have invented certain new and useful Improvements in Miter-Tools, of which the following is a specification.

My invention relates to miter-tools of the character shown and described in my pend.

acter referred to, capable of many adjust#l ments, whereby to out any straight miter, and with which any straight saw can be used. l '1. Other objects and advantages will be apparent from the following description of one practical embodiment of my invention taken in connection with the accompanying two sheets of drawingsin which:- f

Figure 1 is a top plan view of a miter tool embodying my invention ;Y

Fig. 2 is a side elevationthereof, with parts shown in section;

Fig. 3 is a rear end view thereof;

Fig. t is afront end view thereof; and

Fig. 5 isa vertical cross sectional view thereof taken on the line 5-5 of Fig. 1.

Referring now in detail to the drawings, my invention comprises a'base plate 1, upon which is rotatably mounted a body 2, shown to be of cylindrical form and open at its upper and lower ends and rotatably secured to the base plate 1, by means of aninterior cross piece 3, and a bolt 4, as clearly shown in Fig. 5. Rotatably and detachably seated in the upper end of said body 2, is a horizontal bearing block 5, rotatably held Serial No. 169,958.

cured in different vrotated positions by means of a thumb screwll. f

It lwill be evident. that the base plate 1,

Patentedl Feb. 25, 1919.-

and the bearing. standard 9, may be permanently secured to a work-bench, or other support, if desired., It will also be evident that the trough-like work-holder can be'V turned to various angles about a longitudinal axis by simply looseningfthe thumbf screwy 11, and turning said work-holder 8,

by hand. y l

Formed as a part -ofthe body 2, is a straight guide portion 2a, 'recessed as at 2b,

whereby to form a passageway for a purpose hereinafter referred to. Slidably connected with said straight guide portion 2a,'is a guide frame adapted tobe moved longitudinallyV along the guide portion 2a of the body 2, and also adaptedto ibe locked against longitudinal movement' `bymeans of a bolt 13, extended through the body 2, and provided with a thumb nut 14, as clearly shown in Fig. 2, saidbolt having a head 13a seated against accidental misplacement by meansv of a thumb screw 6, through the side of the body 2, as clearly, indicated. Revolubly seated in said horizontal bearing block 5, in a vertical plane, is la vertical bearing block 7, dove-tailed into the horizontal bearing block 5, as indicated in Figs. 1, 2 and 5,

said vertical bearing block 7, having a segm said guide frame 12, for holding it in locked position against the straight guide portion-2a`of the body 2,5 as will be clear from Fig. 2. As 'sai-d guide frame. 12 is slidably secured to the body 2, it is capable of a longitudinal movement relative -to said body 2, and also turns with said body 2, on

` the base plate l, about a` vertical axis. Y

Avdjustably secured to the face of the guide frame 12, are two vertical saw guides 15-15, held in place by means of bolts 16, provided with thumb nuts 17, said thumb nuts moving through the passageway 2b, in the straight guide portion 2a of the body 2, as will be clear from Fig. 2, when said guide frame l2 is moved longitudinally in either direction. Said vertical saw guides are adjust-able longitudinally of said guide frame 12, in a slot 12a, extending longitudinally through said guide frame 12. By loos ening the thumb nuts 17-17 saidvertical saw guides can be turned down along the side of the guide frame 12, when not in use, or for packing purposes, as desired, or they can be wholly detached by simply removing the thumb nuts 1717.

Slidably mounted in each o'f the vertical saw guides 15-15, are saw holders 18-18, each having a saw receiving slot, as 19, open at its lower end, as clearly shown in Fig. 2, whereby any flat saw blade can be inserted thereinto and thereby held in a true capable of every cutting miters 'of different angles. The piece plane during its operation, said vsaw holdersY 18-18, being free to slide up and down vertically in said vertical saw guides 15, as the saw is operated.

rIhus it will be seen that I have provided a very substantial and practical miter tool .adjustment necessary for its longitudinal axis, as before described,v

Said work-holder 8, is provided on its opposite outer sides, at itsiforward end, with two angle pieces 8', when one side or the other of said workholder. is turned down to a-horizontal plane, as shown in Fig. 2. The vertical --guide members 15.-'15, can be spaced apart to suit the size of the piece to be sawed; The saw holders 18-18 can be raised sufficiently to put thesaw teeth acrossthe top of the pi'ece-tobesawed, and the body 2, together with the guide frame 12, can be turned about a verticalaxis to any desired angle relative to vthe-end of the piece to be cut.

While. I.have shown 'and described one.

practical embodiment of my invention for purposesoi' illustration, I am aware that changesfcan be made therein without'departing from'the spirit thereof, and I do not, thereforelimit the inventionl to the form thereof. here' shown, except as I may be limited by the hereto appended claims.

Iv claim:

1. Amiter tool of. the character referred to comprising in combination, a base, a

` body rotatably mounted thereon, a-bearing block mounted in said body andoccupying a horizontal plane, a bearing block rotatably connected with said rst mentioned bearing .block and turning in a vertical plane, a

work-holder of angular yform having one end supported in said-.vertical bearing block and adaptedzto turn therewith about its-longiadapted to actas stops tudinalynmeans for. rotatably supporting thevopposite end of said. work-holder,

and means mountedon said body and turn-v ing therewith abouta vertical axis for holding a saw, substantially as described.

:2. A miter tool of the Vcharacter referred to comprising in combination, a base, a body rotatably mounted thereon abouti al vertical axis, a.bearing. block rotatably supported in said body, in a vertical plane, to turn about a horizontal axisawork-hold'er of angular' ably mounted on said body forv operatively holding a saw in a vertical plane, substantially as-described.

4. Ina miter tool,-in combination, abase,y

ay body rotatably mounted thereon, a bea-ring blockrotatably mounted in said body in a vertical plane, aisecond-bearingblock rotata-` bly mounted in said'iirst.bearinggblock, in a vertical plane an angular workholder supported by said secondbearing bloclrto vturn therewith about a horizontal axis, ai guide frame slidably.. secured to the said body, spaced saw guides slidably connected with said guide frame,.andV saw holders having saw-receiving slots openat their lower ends .1

to rece-ive a saw, andl slidablefvertically in said saw guides,.substantially as described.

Signed' at Portland,.M-ultnomah. county, Oregon,.this 15th day of May, .1917.

ARTHUR J. HELMS..

In presence of- I. M. GRIFFIN,

J. C. STRENG.

Copies ofi-,his patent may be obtained for five. cents each, by addressing the- Commissionerof Patents,

Washington, D. C. 

